1/*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8032704
27 * @summary Issues with lib perm in Lambda
28 */
29
30import java.io.Closeable;
31import java.lang.invoke.LambdaMetafactory;
32import java.lang.invoke.LambdaConversionException;
33import java.lang.invoke.MethodHandle;
34import java.lang.invoke.MethodHandles;
35import java.lang.invoke.MethodType;
36
37public class T8032704 {
38
39    public static void here() {}
40    static MethodHandle h;
41    private static MethodType mt(Class<?> k) { return MethodType.methodType(k); }
42    private static boolean mf(MethodHandles.Lookup l) {
43        try {
44            LambdaMetafactory.metafactory(l, "close",
45                mt(Closeable.class),mt(void.class),h,mt(void.class));
46        } catch(LambdaConversionException e) {
47            return true;
48        }
49        return false;
50    }
51
52    public static void main(String[] args) throws Throwable {
53        MethodHandles.Lookup ll = MethodHandles.lookup();
54        h = ll.findStatic(T8032704.class, "here", mt(void.class));
55        if (mf(ll)) throw new AssertionError("Error: Should work");
56        if (!mf(MethodHandles.publicLookup())) throw new AssertionError("Error: Should fail - public");
57        if (!mf(ll.in(T8032704other.class))) throw new AssertionError("Error: Should fail - other");
58        if (!mf(ll.in(Thread.class))) throw new AssertionError("Error: Should fail - Thread");
59    }
60}
61
62class T8032704other {}
63